235130069 has 2 divisors, whose sum is σ = 235130070. Its totient is φ = 235130068.

The previous prime is 235130053. The next prime is 235130087. The reversal of 235130069 is 960031532.

235130069 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 203433169 + 31696900 = 14263^2 + 5630^2 .

It is a cyclic number.

It is not a de Polignac number, because 235130069 - 2⁴ = 235130053 is a prime.

It is a super-2 number, since 2×235130069² = 110572298695889522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (235130029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117565034 + 117565035.

It is an arithmetic number, because the mean of its divisors is an integer number (117565035).

Almost surely, 2^235130069 is an apocalyptic number.

It is an amenable number.

235130069 is a deficient number, since it is larger than the sum of its proper divisors (1).

235130069 is an equidigital number, since it uses as much as digits as its factorization.

235130069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4860, while the sum is 29.

The square root of 235130069 is about 15333.9515129010. The cubic root of 235130069 is about 617.2144102723.

The spelling of 235130069 in words is "two hundred thirty-five million, one hundred thirty thousand, sixty-nine".